[R-pkgs] orddom package for Ordinal Dominance Statistics

From: Jens Rogmann (ABK/SK-Zentrum EPB Uni HH) <Jens.Rogmann_at_uni-hamburg.de>
Date: Mon, 03 Jan 2011 19:18:22 +0100

Dear R-users,

a new R package has been released named orddom.

This package provides ordinal estimates as alternatives to independent or paired group mean comparisons, especially for Cliff’s delta statistics. It provides basic parameters for various robust tests of stochastic equality with ordinally scaled variables.

For two sets of data, ordinal comparison estimates are calculated such as
- Cliff's delta (for which a Cohen's d effect size estimate, along with
CIs are also calculated), (cf. Cliff, 1993; 1996; Long, Feng, & Cliff, 2003; Feng & Cliff, 2004; Feng, 2007);

References and details can be found in the package help manual. The package is available as of now via

Your comments and suggestions are appreciated; please send your email to jens.rogmann _AT_ uni-hamburg.de

Thank you,
Kind regards

Jens J. Rogmann

Dr. J. J. Rogmann
Universität Hamburg
Fakultaet EPB / ABK
Dept of Psychology
Von-Melle-Park 5/IV
D-20146 Hamburg

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